S. Korea Nuclear Summit

A general view of leaders as they attend the first plenary session of the 2012 Nuclear Security Summit at the Convention and Exhibition Centre in Seoul on March 27, 2012. World leaders including US President Barack Obama have begun a two-day summit in South Korea aimed at curbing the threat of nuclear terrorism, organisers said. The leaders or top officials from 53 countries, plus Interpol and three other international organisations, officially began the event with a working dinner hosted by South Korean President Lee Myung-Bak.